package com.learn.lock.sync;

/**
 * @author : Yu.Tan
 * @date : 2023/5/8 15:23
 * @desc : **
 */
public class SynchronizedDemo2 {

    public static void main(String[] args) {
        StringBuffer sb = new StringBuffer();
        sb.append("12");
        sb.append("s2");
        sb.append("s3");
        sb.toString();
    }


}
